Respuesta :
Answer:
-3
Step-by-step explanation:
f(x)=x2-5 f(1)
f(1)= (1)2 -5
2-5
-3
ANSWER: -3
WHY: since 1 is x we replace the x which creates f(1) = 1•2-5
Then we multiply 1•2 which gives us 2 so now f(1)=2-5
Lastly we subtract 2-5 which results in -3 making f(1)= -3
WHY: since 1 is x we replace the x which creates f(1) = 1•2-5
Then we multiply 1•2 which gives us 2 so now f(1)=2-5
Lastly we subtract 2-5 which results in -3 making f(1)= -3